The Tunisian domino effect?

As Tunisians witness the rebirth of their country, there are fears among their North African neighbours that their discontent, and eventual uprising, could spread. Protests are being held in Egypt on Tuesday, in a stand against 82-year-old President Hosni Mubarak, who's been in power for nearly 30 years. Egyptians say they want change, and are looking to Tunisia for inspiration.